40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
|
|
* General purpose implementation of a simple periodic countdown timer.
|
|
*
|
|
* Copyright (c) 2007 CodeSourcery.
|
|
*
|
|
* This code is licensed under the GNU LGPL.
|
|
*/
|
|
#ifndef PTIMER_H
|
|
#define PTIMER_H
|
|
|
|
#include "qemu-common.h"
|
|
#include "qemu/timer.h"
|
|
#include "migration/vmstate.h"
|
|
|
|
/* ptimer.c */
|
|
typedef struct ptimer_state ptimer_state;
|
|
typedef void (*ptimer_cb)(void *opaque);
|
|
|
|
ptimer_state *ptimer_init(QEMUBH *bh);
|
|
void ptimer_set_period(ptimer_state *s, int64_t period);
|
|
void ptimer_set_freq(ptimer_state *s, uint32_t freq);
|
|
void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
|
|
uint64_t ptimer_get_count(ptimer_state *s);
|
|
void ptimer_set_count(ptimer_state *s, uint64_t count);
|
|
void ptimer_run(ptimer_state *s, int oneshot);
|
|
void ptimer_stop(ptimer_state *s);
|
|
|
|
extern const VMStateDescription vmstate_ptimer;
|
|
|
|
#define VMSTATE_PTIMER(_field, _state) { \
|
|
.name = (stringify(_field)), \
|
|
.version_id = (1), \
|
|
.vmsd = &vmstate_ptimer, \
|
|
.size = sizeof(ptimer_state *), \
|
|
.flags = VMS_STRUCT|VMS_POINTER, \
|
|
.offset = vmstate_offset_pointer(_state, _field, ptimer_state), \
|
|
}
|
|
|
|
#endif
|